Baahubali lyricist Siva Shakthi Datta passed away on Monday night at 92 years of age due to age-related ailments in Manikonda, Hyderabad. Datta was the father of Oscar-winning music composer MM Keeravani and the uncle of director SS Rajamouli. He had also penned lyrics for movies like RRR, Magadheera and Rajanna. Datta's last rites will be performed today in Hyderabad.